TW333725B - The modulating technology for eliminating phase noise of local oscillator - Google Patents

The modulating technology for eliminating phase noise of local oscillator

Info

Publication number
TW333725B
TW333725B TW083111981A TW83111981A TW333725B TW 333725 B TW333725 B TW 333725B TW 083111981 A TW083111981 A TW 083111981A TW 83111981 A TW83111981 A TW 83111981A TW 333725 B TW333725 B TW 333725B
Authority
TW
Taiwan
Prior art keywords
signal
modulating
local oscillator
phase noise
frequency
Prior art date
Application number
TW083111981A
Other languages
English (en)
Inventor
Lee Kechkaylo David
Original Assignee
Thomson Consumer Electronics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Application granted granted Critical
Publication of TW333725B publication Critical patent/TW333725B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
TW083111981A 1994-02-02 1994-12-21 The modulating technology for eliminating phase noise of local oscillator TW333725B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/190,793 US5446421A (en) 1994-02-02 1994-02-02 Local oscillator phase noise cancelling modulation technique

Publications (1)

Publication Number Publication Date
TW333725B true TW333725B (en) 1998-06-11

Family

ID=22702801

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083111981A TW333725B (en) 1994-02-02 1994-12-21 The modulating technology for eliminating phase noise of local oscillator

Country Status (10)

Country Link
US (1) US5446421A (zh)
EP (1) EP0742973B1 (zh)
JP (1) JPH09508769A (zh)
KR (1) KR100363760B1 (zh)
CN (1) CN1080031C (zh)
DE (1) DE69521884T2 (zh)
MX (1) MX9603195A (zh)
MY (1) MY115333A (zh)
TW (1) TW333725B (zh)
WO (1) WO1995021493A1 (zh)

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JP2616417B2 (ja) * 1993-12-24 1997-06-04 日本電気株式会社 移動無線端末機の瞬断防止方法と装置
GB2320633B (en) * 1996-12-17 2000-12-27 Motorola Gmbh Frequency generating circuit and method of operation
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7343015B2 (en) * 1999-11-16 2008-03-11 Radio Shack Corporation Method and apparatus for high fidelity wireless stereophonic transmission utilizing dual frequency carriers
US6658115B1 (en) * 1999-11-16 2003-12-02 Radioshack, Corp. Method and apparatus for high fidelity wireless stereophonic transmission
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7292091B1 (en) 2000-10-11 2007-11-06 Silicon Laboratories Inc. Method and apparatus for reducing interference
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
JP4876357B2 (ja) * 2001-09-06 2012-02-15 大日本印刷株式会社 文字記号部を有する基板とその文字記号部の加工方法
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
JP4901497B2 (ja) * 2007-01-19 2012-03-21 株式会社東芝 通信システム、送信機、受信機、通信方法、送信機検出方法、通信手順設定方法
FR2928014B1 (fr) * 2008-02-26 2011-12-23 Thales Sa Dispositif electronique destine a des equipements hyperfrequences embarques sur satellite
US8817802B2 (en) * 2011-12-21 2014-08-26 Comtech Ef Data Corp. Method and system for providing hitless switching while maintaining a power equivalent bandwidth (PEB) ratio using multiple carriers
KR20160003820U (ko) 2015-04-27 2016-11-04 김진호 도어의 하부롤러 장착구조
US11962339B2 (en) 2020-08-25 2024-04-16 Samsung Electronics Co., Ltd. Method and apparatus for reduced size RF filter

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US2957953A (en) * 1955-02-28 1960-10-25 Rca Corp Noise elimination in a recorderreproducer system
US3084329A (en) * 1959-08-06 1963-04-02 Electronic Communications Noise suppression technique for radio circuits
US3873931A (en) * 1973-10-05 1975-03-25 Comstron Corp FM demodulator circuits
DE2421080A1 (de) * 1974-05-02 1975-11-13 Licentia Gmbh Verfahren zur uebertragung von auf einem traeger in amplitudenmodulation in form gebuendelter nachrichtenkanaele aufmodulierter nachrichten
US4393518A (en) * 1981-01-16 1983-07-12 Bell Telephone Laboratories, Incorporated Optical communication arrangement
US5126871A (en) * 1989-11-15 1992-06-30 General Instrument Corporation Method and apparatus for redundant communication of optical signals with distortion cancellation
DE4040170A1 (de) * 1990-12-15 1992-06-17 Standard Elektrik Lorenz Ag Uebertragungssignal

Also Published As

Publication number Publication date
US5446421A (en) 1995-08-29
EP0742973B1 (en) 2001-07-25
CN1080031C (zh) 2002-02-27
EP0742973A1 (en) 1996-11-20
JPH09508769A (ja) 1997-09-02
DE69521884T2 (de) 2003-03-27
KR970700959A (ko) 1997-02-12
KR100363760B1 (ko) 2003-03-15
WO1995021493A1 (en) 1995-08-10
DE69521884D1 (de) 2001-08-30
MX9603195A (es) 1997-03-29
CN1143432A (zh) 1997-02-19
MY115333A (en) 2003-05-31

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